Class: PhotoFile

Inherits:
Object
  • Object
show all
Defined in:
lib/ralbum/photo_tree/photo_file.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ PhotoFile

Returns a new instance of PhotoFile.



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# File 'lib/ralbum/photo_tree/photo_file.rb', line 9

def initialize( path )
  if not File.exist?(path)
    raise RAlbumException.new "file '#{path}' not exist"
  end
  if File.directory?(path)
    raise RAlbumException.new "expected '#{path}' as file but it is a directory"
  end

  read_info(path)
end

Instance Attribute Details

#geometry ⇒ Object (readonly)

Returns the value of attribute geometry.



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# File 'lib/ralbum/photo_tree/photo_file.rb', line 7

def geometry
  @geometry
end

#height ⇒ Object (readonly)

Returns the value of attribute height.



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# File 'lib/ralbum/photo_tree/photo_file.rb', line 6

def height
  @height
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/ralbum/photo_tree/photo_file.rb', line 3

def path
  @path
end

#size ⇒ Object (readonly)

Returns the value of attribute size.



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# File 'lib/ralbum/photo_tree/photo_file.rb', line 4

def size
  @size
end

#width ⇒ Object (readonly)

Returns the value of attribute width.



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# File 'lib/ralbum/photo_tree/photo_file.rb', line 5

def width
  @width
end

Instance Method Details

#md5 ⇒ Object 



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# File 'lib/ralbum/photo_tree/photo_file.rb', line 25

def md5
  return @md5 if @md5
  blob = File.open(path, "rb") do |f|
    f.read
  end
  @md5 = MD5.new( blob ).to_s
  # ralbum_verbose( 2, sprintf("%40s: %d %s \n", name, time, @md5 ) )
end

#time ⇒ Object 



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# File 'lib/ralbum/photo_tree/photo_file.rb', line 20

def time
  return @time if ! @time.nil?
  @time = File.mtime( @path )
end

#to_s ⇒ Object 



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# File 'lib/ralbum/photo_tree/photo_file.rb', line 34

def to_s
  s = @path + "\n"
  s << sprintf("%40s: %s \n", "file size",     "#{@size} Kb")
  s << sprintf("%40s: %s \n", "image size",    "#{@width} X #{@height}")
  s << sprintf("%40s: %s \n", "timestamp",     "#{@timestamp}")
  s << sprintf("%40s: %s \n", "exposuretime",  "#{@exposuretime} ")
  s << sprintf("%40s: %s \n", "aperture",      "#{@aperture}")
  s << sprintf("%40s: %s \n", "exposure_bias", "#{@exposure_bias}")
  s << sprintf("%40s: %s \n", "flash",         "#{@flash}")
  s << sprintf("%40s: %s \n", "focal_length",  "#{@focal_length}")
  s << sprintf("%40s: %s \n", "iso_speed","#{@iso_speed}")

  s << sprintf("%40s: %s \n", "caption","#{@caption}")
  s << sprintf("%40s: %s \n", "keywords","#{@keywords}")
  s << sprintf("%40s: %s \n", "copyright","#{@copyright}")
  s
end